Ryan Mrozek Email and Phone Number

• Responsible for ensuring continuity of service for University systems, and enterprise systems and services on UNIX & Linux platforms. Duties include installation, configuration, and day-to-day support of hardware, operating systems and system administration applications for Linux, and UNIX infrastructures• Ensuring maximum availability and the highest level of performance for production and mission-critical technology resources.• Red Hat Enterprise Linux Servers (networking & storage) –Experienced in patching Unix/Linux OS, certificate renewals. Solid experience decentralizing multi-server environments & UNIX/Linux scripting. • Administration of RHEL Satellite for use in patch management. • Maintaining a smooth working environment with all departmental system for a centralized IT infrastructure agenda. • Develop project plans for system/software upgrades and implementation. • Administrating Privileged Access Management (PAM) on Linus systems and software. Via krb5 authentications and sudo privileges. Additionally controlling PAM with administering Centrify Zero Trust Privilege to secure access to infrastructure. • Administration of Big Data infrastructure Cloudera Hadoop for centralize log management and security. • Monitor and resolve assigned customer trouble tickets associated with the Enterprise infrastructure and other University systems.

• Troubleshoot Active Guard Appliances• Work with and notify customers of security breaches• Analyze events for improved security monitoring

• Decommissioned servers on various platforms ex.( Unix, Linux, Solaris, and AIX)• Linux server builds Standalone and Clusters• Complete assigned Clearview service requests to meet requesting department SLA dates within department standards.• Documenting and tracking of decommissioned servers iva ITSM• Performed Virtual to Virtual Migrations of system in VSphere. • Established and maintained effective working relationships with end users, vendors and manager• Assisted team members on completing project• Ensure changes, additions and/or revisions as required by customer plans were accomplished using the approved change process• Troubleshooting

• Provided support for HPOV agent installation on multiple Operating Systems, and monitoring configuration and troubleshooting for over 4000 systems, worldwide.• Assumed responsibility for managing global unix-based McAfee SIEM infrastructure • Participated in all aspects of Major HP OpenView to SolarWinds ORION migration project, including policy migrations, upgrades, and administration of xMatters AlarmPoint notification systems.• Coordinate projects, new installations, scheduled maintenance of upgrades, scheduled and performs network/server improvements, patches/upgrades, and quarterly maintenance• Support operations and maintenance activities as required associated with the maintenance, repair, troubleshooting, and operation of assigned systems on a continuing or real time basis• Complete assigned asset service requests to meet requesting department SLA dates within department standards• Established and maintained effective working relationships with end users, vendors and managers• Identify potential problem areas and develops solutions• Shared On-Call rotation with team to ensure 24/7 operations• Ensure changes, additions and/or revisions as required by customer plans were accomplished using the approved change process

• Install switchgear, routers and supplementary networking hardware • Configure Windows 2003 & Linux Machines including Firmware, ROM Upgrades, and ILO connections• Execute mixed-architecture (UNIX, Windows, and LINUX) implementations• Maintain HP Proliant Server, Blade System Hard Drives, Backplanes, RAM, Power Supplies, and Internal peripherals• Perform NAS and SAN storage architecture and tape backup technologies • Responsible for Copper and Fiber cabling installation & Rack Installation.• Monitor and take appropriate action of alarms generated by critical facility systems using Leibert Site Scan and ALC WebCTRL Monitoring software to monitor Water and Air Cooled Chillers and Backup Generators• Coordinate projects for scheduled maintenance via conference bridge with IT Staff to initiate upgrades, maintenance and fiber migrations for increased production• Complete tasks using Service Center ticket queue’s assigned to the Infrastructure group